/**
 * This is a sample library written in Rust.
 * 
 * @author <NAME> weixiaoqiang
 * @version 1.0.0
 * @date 2024-12-20
 * @copyright Copyright (c) 2024
 * @license MIT License
 */
pub fn add_one(x: i32) -> i32 {
    x + 1
}